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known-issues: cuda 11.x with modern glibc and CMake #604

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known-issues: cuda 11.x with modern glibc and CMake #604

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known-issues: cuda 11.x with modern glibc and CMake
lucbv Nov 13, 2024
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Update docs/source/known-issues.rst
crtrott Nov 27, 2024
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2 changes: 2 additions & 0 deletions docs/source/known-issues.rst
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Expand Up @@ -28,6 +28,8 @@ CUDA

Therefore, from version 4.5, the default behavior for Kokkos is to preventively disable `cudaMallocAsync.`

- cuda 11.0 and 11.2 are not compatible with glibc 2.34 librt stubs. That issue is related to how the CMake package handles linking with librt. For more information please look at issue `#7512 <https://github.com/kokkos/kokkos/issues/7512>`_.
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@brian-kelley said

It looks like the cuda toolkit doesn't support rhel9 as a platform until 11.8

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- cuda 11.0 and 11.2 are not compatible with glibc 2.34 librt stubs. That issue is related to how the CMake package handles linking with librt. For more information please look at issue `#7512 <https://github.com/kokkos/kokkos/issues/7512>`_.
- Cuda 11.0 and 11.2 are not compatible with glibc 2.34 librt stubs. That issue is related to how the CMake package handles linking with librt. For more information please look at issue `#7512 <https://github.com/kokkos/kokkos/issues/7512>`_.

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Downgrading CMake to less than 3.17 provide another workaround because we are rolling our own then, see https://github.com/kokkos/kokkos/blob/7ff4042fd2dc1d1fe6ae280179fc693ad6dac6ac/cmake/Modules/FindTPLCUDA.cmake#L14-L39.

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